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Which components of an acrylamide gel effects qualities of the final product, and which components affect the speed of polymerization? What causes a protein to migrate on SDS-PAGE in such a way that it appears to be a protein that is much bigger?
A 4.07 L sample of H2O(g) reacts at a temperature of 375°C and a pressure of 679 mm Hg. How many grams of NH3 can be produced?
Calculate the ratio of CH 3 NH 2 to CH 3 NH 3 Cl required to create a buffer with pH = 10.14. Express your answer using two significant figures.
The vapor pressure of water at 29 ^circ rm C is 30.0 rm torr. What is the mass percentage of aluminum in this alloy?
If you wanted to prepare a 1.45 L buffer with a total phosphate concentration of 0.0500 M, how many grams of NaH2PO4 and Na2HPO4 would you mix together? How many grams of conjugate acid do you need? How many grams of conjugate base do you need?
Using a table of standard reductions, determine what the potential of each reduction below would be versus the S.C.E. a. Ag+ (aq) + e - ? A(s) b. Ni2+(aq) + 2e- ? Ni (s)
The Ksp of barium carbonate (BaCO3) is 5.0*10^-9 at 25.0 C. If a 20.0 mL sample of 0.1 M Ba(NO3)2 is added to 50.0 mL of 0.1 M Na2CO3.
A 10.0 L vessel at 20*C contains butane, C4H10(g), at a pressure of 2.00 atm. What is the maximum amount of work that can be obtained by the combustion of this butane if the gas is first brought to a pressure of 1 atm and the temperature is brough..
If 100mL of 0.01 M CaCl2, 100mL of 0.01 M Sr(NO3)2 and 100 mL of 0.01 M Na2SO4 are mixed together; what is the Ca2+ concentrationin solution and which precipitates will form?
What volume of a 6.16E-2 M potassium hydroxide solution is required to neutralize 19.8 mL of a 0.107 M hydroiodic acid solution.
Determine why the 2s and 2p orbitals on Hydrogen are degenerate and they are not in the case of Lithium and calculate Kp at 5 degrees and enter your answer in scientific notation if delta H rxn= -128 kj/mol CH 3 OH,?
A thief plans to steal a gold sphere with a radius of 28.8 cm from a museum. If the gold has a density of 19.3 {rm g/cm}^3, what is the mass of the sphere? [The volume of a sphere is V = (4/3)pi r^3.]
Determine how will this error control the final computed percentage of CH3COOH in the vinegar
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